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Finding the Fourth Proportional to 350,061.96, 482,941.68 and 259,640.40

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Solution

The fourth proportional to 350,061.96, 482,941.68 and 259,640.40 is: 358,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,061.96 : 482,941.68 = 259,640.40 : x
  2. Step 2: Convert to fraction form
    350,061.96/482,941.68 = 259,640.40/x
  3. Step 3: Cross multiply
    350,061.96x = 482,941.68 × 259,640.40
  4. Step 4: Simplify right side
    350,061.96x = 125,391,170,971.87
  5. Step 5: Solve for x
    x = 125,391,170,971.87/350,061.96
  6. Step 6: Final answer
    x = 358,197.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.